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paź 20, 2024

Technics RS-B505

General

• Manufacturer: Technics
• Model: RS-B 505
• Type: Cassette Tape Deck
• Years of manufacture: 1988 – 1989
• Manufactured in: Osaka, Japan (Matsushita Lecetric Trading Co, Ltd).
• Colour: Charcoal brown (Technics black)
• Remote control: as accessories (cable 8-pin DIN plug)
• Power consumption: 20 W
• Dimensions (WxHxD): 430 x 114,5 x 248 mm
• Weight: 4,3 kg
• Original price approx.: 600 DM

Connections

• Number of inputs: 2x RCA line-in, 2x jack microphone (left/right).
• Number of outputs: 2x RCA line-out, 1x jack headphone.

Specifications

• Sound heads: 2 (sound head: hard permalloy, erase head: ferrite).
• Motors: 2
• Synchronous fluctuation: 0,06% (WRMS) +/-0,18% (DIN)
• Band types: Type I,II,IV
• Frequency response: 20Hz~18kHz (Metal), 20Hz~17kHz (CrO2), 20Hz~16kHz (Normal).
• Signal-to-noise ratio: 56 dB, 66 dB (Dolby B), 74 dB (Dolby C).
• Auto Reverse: no
• Title search: yes (searches pause/silence of 2-3 seconds to recognize title)
• Dolby: B, C (HX-Pro)
• MPX filter: no
• Fader: No
• Pitch control: No
• CD synchro recording: No

Special Features

• Digital counter (not real time).
• 2-head system
• 2-motor drive with logic control
• Linear Magnet-Field Class-AA circuitry
• Dolby B/C/HX Pro
• Aussteuerungsregler
• separate balance controller
• Timer function

paź 20, 2024

Pioneer CT-443

Pioneer Stereo Cassette Deck CT-443

General

Manufacturer: Pioneer
Model: CT-443
Type: Single
Year built: 1988
Made in: Japan
Color: Black
Remote control:
Power consumption: 17 watts
Dimensions: 420 x 130 x 322 mm (WxHxD)
Weight: 4.9 kg
Original price approx.: 550,- DM

Connections

Number of inputs:
LINE (INPUT) 2 x Cinch; 63 mV with 52 kΩ input impedance.
Number of outputs:
LINE (OUTPUT) 2 x RCA; 316 mV with 3.3 kΩ output impedance.
Headphone output 6.3 mm jack socket, stereo, on the front panel with volume control; 0.9 mW, load impedance 8 Ω

Specifications

Audio heads: 2 (1 x hard permalloy record/playback head;1 x ferrite erase head).
Motors: 2 (1 x DC servo motor for tone shaft; 1 x DC motor for winding).
Synchronous fluctuation: 0,052 %.
Band types: Fe, Cr and Me
Frequency response: (± 6 dB; -20dB recording)
Normal band 25 to 16,000 Hz
Chrome band 25 to 17,000 Hz
Metal band 25 to 18,000 Hz

Distortion factor: < 0,7.% (0.dB) Signalrauschabstand: Ohne Rauschuntersrückung >58 dB
Auto Reverse: No
Title search: up to 15 titles
Dolby: B / C + HX-PRO system
MPX filter: Yes
Fader: No
Pitch control: No
CD synchro recording: Yes

Special Features

Automatic tape selector
Blank search
4-digit electronic tape counter
Automatic mute recording
Bias control
Timer record/playback (via separate audio timer)
Fluorescent level meter 12 segments
Recording level control and additional balance control for recording

paź 20, 2024

TEAC X-2000M

General

Manufacturer: Teac
Model: X-2000 M
Type: Auto-Reverse Stereo Reel Tape
Years of manufacture: 1984 – 1990
Made in: Japan
Color: Black
Remote control: yes, cable remote control RC-204 optional
Power consumption: 115 W
Dimensions: 432 x 452 x 268 mm (WxHxD)
With wooden cabinet: 472 x 486 x 262 mm
Weight: 21 kg
With wooden housing: 25 kg
New price approx.: 3’500 DM (1987)

Connections

Inputs:
Line: 60 mV, 50 kOhm
Microphone: 0.25 mV, 200 ohms
Outputs:
Line: 436 mV, 10 kOhm
Headphone: 100 mW max. (8 Ohm)

Technical Data

Max. Coil diameter: 26.5 cm
Drive: 3 motors
1x DC motor with FG servo
2x slotless DC winding motors
Heads: 4 (1x for recording, 1x for playback, 2 ferrite erase heads)
Tracks: 2 (4 track playback possible)
Tape speeds: 2
19 cm/s
38 cm/s

Synchronisation fluctuations:
at 19 cm/s: < 0.03% (WRMS) at 38 cm/s: < 0.02% (WRMS) Pitch fluctuations: 19 cm/s 38 cm/s Overall frequency response: at 19 cm/s: 30 – 40000 Hz (+-3dB), 40 – 33000 Hz -20 VU. at 38 cm/s: 30 – 45000 Hz (+-3dB), 40 – 40000 Hz -20 VU Signal-to-noise ratio: > 50 dB
Signal to noise ratio: > 66 dB (>100dB with DBX), at 3% distortion level
Distortion: < 0.8% 1000 Hz, 185 nWb/m – level Equalization: according to NARTB Stereo – channel separation: > 50 dB at 1 kHz
Crosstalk attenuation:
Mono: > 70 dB
Stereo: > 50 dB

Cancellation attenuation: > 70 dB
Premagnetization and erasure frequency: 100 kHz
Rewind time: 100 seconds for 1800m band

Special features:

EE-Band capable
Real time counter with locator function and reels to „00:00:00”.
BIAS FINE controller
Spooling function for tape archiving
DBX 1 – Professional Noise Reduction
Tape tension control for all drive functions for tape protection
Dupli Syncro connection – control of a second X-2000/1000 via a connecting cable
Switchable equalization IEC/NAB at 38cm/s
Half-track master machine with additional 4-track head for playback of foreign tapes
Cable remote control with all drive and counter functions (suitable only for X2000 models, not for previous models !)
Accessories:
Empty reel (RE-1003S/1003B)
NAB adapter (TZ-612 A)

Input and output connection cable
Splicing tape

paź 20, 2024

Akai GX-636

Specifications

Track system: auto reverse, 4-track, 2-channel, stereo/monaural system

Heads: 2 x GX record, 2 x GX playback, 2 x erase

Motor: 2 x reel drive, 1 x capstan

Reel size: up to 10.5 inch reel

Tape speeds: 3 ³⁄₄  7 ¹⁄₂ ips

Wow and flutter: 0.03% (7 ¹⁄₂ ips)

Frequency response: 30Hz to 27kHz (7 ¹⁄₂ ips)

Signal to Noise Ratio: 65dB

Total harmonic distortion: 0.4%

Input: 70mV (line), 2mV (DIN), 0.25mV (mic)

Output: 0.775V (line), 0.3V (DIN)

Dimensions: 440 x 483 x 256mm

Weight: 21kg

Accessories: connection cords, reel hub adaptors, empty reel

paź 20, 2024

Akai GX-635D

General:

• Manufacturer: Akai (Japan)
• Dimensions: (WxHxD) 44,5 x 48,5 x 21,5 (in stand with feet and sides)
• Weight: approx. 21.5 kg
• Power: 220 V~, 50 Hz, 65 Watt, (Europe)
• Year of manufacture: ca. 1979
• Original price: 1900,- DM

Technical data:

• System: 4 track, 2 channel, stereo/mono system
• Reels: up to 27 cm diameter
• Tape speeds: 2
  • 19 cm/s ± 0.8 %
  • 9.5 cm/s ± 1.0 % * Pitch control: > ± 1.0

• Pitch control: > ± 6 % (pitch control)
• Synchronization fluctuation: <0.03 % (WRMS) at 19 cm/s
• Frequency response ±3 dB:
  • 30 – 27,000 Hz at 19 cm/s (WR band)
  • 30 – 21,000 Hz at 9.5 cm/s (WR band)
  • 30 – 25,000 Hz at 19 cm/s (LN band)
  • 30 – 19,000 Hz at 9.5 cm/s (LH band)
  • Distortion factor: at 19 cm/s (1,000 Hz at 0 VU) 0.5 %

• Signal to noise ratio: <62 dB

• Cross coupling: <40 dB (1,000 Hz)
• Channel separation: <55 dB (1,000 Hz)
• Heads: 6 pieces, (2 GX record, 2 GX playback, 2 GX erase heads)
• Output: Cinch and DIN socket, 1x 6 mm headphone jack (stereo)
• Input: Cinch and DIN socket and 2x 6mm jack for microphone

Special feature:

• GX heads (low wear)
• rear band control
• Auto Reverse, recording and playback in both directions,
  • without having to remove the reels,
• 3 motors, direct drive,
• only 1 belt for real time tape counter,
• pitch control
• automatic limit stop,
• time switch operation,
• wooden side panels interchangeable,

paź 20, 2024

Akai GX-630 (next)

General

Manufacturer: Akai
Model: GX-630 D
Years of manufacture: around 1976 – 1978
Made in: Japan
Color: Front silver / sides wood
Remote control only as accessories: yes (cable remote control RC-17 or RC-18)
Power consumption: HARDBASS
Dimensions: 440 x 465 x 240 mm (WxHxD)
Weight: 19,5 kg
Original price approx.: 1498,00 DM (1976) Price: 1979 1650,00 DM

Connections

Number of outputs: 3
DIN (0,5 V)
Line (0.775 V)
Headphones (30 mV, 8 Ohm)
Number of inputs: 2
Microphone (0.25 mV / 5 kOhm)
Line (70 mV / 150 kOhm)

Technical data

max. coil diameter: 26,5 cm
drive: 3 motors
One 4-pole AC servo motor type SCM2-24KJ for the capstan drive
Two 6-pole eddy current motors type 24XO-MR for the tape plates
Heads: 3
1x GX-quenching head Type E4-260
1x GX pick-up head type R4-200
1x GX playback head type P4-202
Tracks: 4
Tape speeds: 9.5 and 19 cm/s
Synchronisation fluctuations:
at 9.5 cm/s: ±0,09%
at 19 cm/s: ±0,06%
Pitch fluctuations:
Overall frequency response:
at 9.5 cm/s: 30 – 19,000 Hz
at 19 cm/s : 20 – 25,000 Hz
Signal-to-noise ratio:
External signal-to-noise ratio:
Distortion factor:
at 19 cm/s: < 0,5% Entzerrung: Geräuschspannungsabstand: Übersprechdämpfung: >40dB
extinction loss:
at 19 cm/sec: > 70dB
Premagnetization and extinction frequency: 100 kHz ±5kHz

Special Features

low-wear GX recording and playback heads
Double clampable NAB-adapter (RH-12)

paź 20, 2024

JVC KD-A33

General:

• Manufacturer: JVC
• Model: KD-A 33
• Type: 2-head stereo cassette deck
• Years of manufacture: 1980 – 1981
• Made in: Japan
• Color: Silver
• Remote control: yes (R-50E)
• Power consumption: 30 watts
• Dimensions: 420 x 120 x 300 mm (WxHxD)
• Weight: 6.6 kg
• Original price approx.: 598 DM
• New price remote control R-50 E: 50 DM

Connections:

• Number of inputs:
• 80 mV (line), 0,2 mV (mic)
• Number of outputs:
• 0.5 V (line)

Technical data:

• Sound heads: 2
• Motors: 2
• Belt speed:
• Synchronous speed: 0.14%
• Tape types:
• Frequency response: -20 dB=.
• Metal tape 30- 16,000 HZ,
• Chrome band 30- 16,000 Hz,
• normal band 30- 15.000 Hz
• Distortion factor: 1.0%
• Signal to noise ratio: 60dB
• Crosstalk attenuation:
• Rewind time (C-60): 85 sec
• Dolby: ANRS

Special Features:

• Record Mute
• ANRS and Super ANRS
• Oil-damped tilt cassette compartment