Akai GXC-325D

1 9 7 5 1975
1 9 7 7 1977

The GXC-325D is one of the well remembered 1970s cutie design recorders - it also was one of the most successful, sales-wise.

Despite its two-tier looks, hardware-wise, what makes it a recorder is far from the gadget or the looky-looky : closed-loop dual capstan, 3mm capstans, 7,7cm flywheels, a bigga AC servo motor with 40 teeth on both rotor and stator and three GX heads which last forever forever forever.

On the electronics side : dual Dolby (rec and play circuits separated), ADR circuit for automatic recording equalization (less IMD and high frequency distortion) and a (switchable) limiter circuit make up for the features lost when downscaled from the GXC-570D or GXC-760D.

Also in are a Hall IC commanded end-of-tape auto-stop function, a pause switch keeping the heads on the tape, a "tape run" indicator showing with a few blinking LEDs transport mode and another LED for +7dB peak input level.

Bar the bottom plate and lightweight (but made of real plywood) plinth, there is very little plastic here : cheaper decks came in at 9kg in the 1975.

And they did and still do last forever forever forever.

Akai GXC-325D, image 1 Akai GXC-325D, image 2 Akai GXC-325D, image 3
Akai GXC-325D specifications
Title Value
Track system : 4-track, 2-channel
Tape speed : 4,75cm/s
FF & Rew time : 75s (C-60)
Heads : 1x Glass & Crystal ferrite REC
1x Glass & Crystal ferrite PLAY
1x ferrite ERASE
Motors : 1x AC-Servo outer rotor
Wow & flutter : 0,055% WRMS
Frequency response : 30Hz...15Khz (± 3dB ; LH tape)
30Hz...16Khz (± 3dB ; CrO2 tape)
30Hz...19Khz (± 3dB ; FeCr tape)
THD : < 1% (1Khz @ 0VU)
S/N ratio : 51dB (via tape @ +5 VU ; Dolby OFF)
+10dB above 5Khz (Dolby ON)
Erase ratio : > 70dB
Bias frequency : 100Khz
Inputs : 2x MIC (0,3mV / 8kOhm)
2x LINE (70mV / 100kOhm)
1x DIN (2mV / 0,775V)
Outputs : 2x LINE (0,775V / for 0VU output and 20kOhm load or more)
1x headphones (30mV / 8 Ohm)
Semiconductors : 60 transistors
51 diodes
4 FETs
1 IC
PC : 30W
Dimensions : 44,2 x 14,2 x 30,1cm
Weight : 8,6kg.
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page online since : april 2007
page updated : september 2007
page type : LGT / KNB
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