| NAME |
PHILIPS |
| TYPE |
N4450/00 |
| SERIAL |
0149643 |
| Other Marks |
Relais powered |
| Year |
1974 |
| Country |
Austria |
| Heads |
6 Longlife (2xErase - 2xRecord - 2xPlay)
In Forward and Reverse (both ways) |
| Motors |
3x (one HALL Motor for capstan, two DC Volts
Motors for Reel-plates) |
| Tracks |
IEC |
| Tape |
Before and after tape monitoring for listening
signal during recording
Constant winding-tension by hydraulic tape tension
stabilatizers |
| Tape Speed |
4.75 / 9.5 / 19 cm/sec |
| Speed Deviation |
MAX:
4,75 cm/s
± 2%
9,5 cm/s DIN 45 500 ±
1%
19 cm/s DIN 45
500 ± 1% |
| Wow and Flutter |
Messured with EMT 420 A following DIN 45 507
4,75 cm/s
= <0,35%
9,5 cm/s DIN 45 500 = <0,2%
19 cm/s DIN 45
500 = <0,15% |
| Signal /Hiss |
4,75 cm/s
= >58 dB - D3=3%
9,5 cm/s DIN 45 500 = >50
dB - D3=3%
19 cm/s DIN 45
500 = >50 dB - D3=3% |
| Signal /Hum |
4,75 cm/s
= >45 dB
9,5 cm/s DIN 45 500 = >45
dB
19 cm/s DIN 45
500 = >45 dB |
| Play Characteristics |
4,75 cm/s 120 + 3180 usec.
9,5 cm/s 90 +
3180 usec.
19 cm/s
50 + 3180 usec. |
| Frequency Response |
4,75 cm/s = 60 - 8000 Hz within
6 dB
9.5 cm/s = 40 - 15000 Hz within
6 dB
= 40 - 12500 Hz within 3/5 dB (DIN 45 500)
19 cm/s without
filter = 40 - 20000 Hz within 6 dB
= 40 - 12500 Hz within 3/5 dB (DIN 45 500)
with filter = 40 - 16000 Hx within
6 dB
= 40 - 12500 Hz within 3/5 dB (DIN 45 500)
NB. The so called filter is the Stereo Interference
Filter
on the Tuner (51) and AUX (48) connector |
| Rumble |
-10 dB - 30 Hz |
| Scratch |
-12 dB -15 Hz |
| Phys |
+14 dB -50 Hz / + 6 dB -10 kHz |
| Echo / Mixing / Duoplay / Multiplay |
yes / yes / yes / yes (2 ways Forward / Reverse) |
| Bias |
within nominal 100 se. |
| Bias & Erase Frequency |
110 kHz (± 10%) |
| Harmonics Distortion |
Less than 1% (DIN 45 500) |
| CONTROLS / SWITCHES |
Micro left
Micro Right
Recording
Echo / Amp
Volume
Balance
Bass
Treble
Scratch
Rumble
Phys
Timer On/Off
Power On/Off
Cueing Left
Cueing Right
Knob: Tuner / Tape / Aux / Phono
Knob: Automatic / Hand
Knob: Track Selector 1-4 / ST / 2-3
Knob: MP / NOR / ECHO / AMP
Knob: Speed Selector 4,75 / 9,5 / 19 cm/sec.
Knob: NOR / REV
Knob: Postfading speed Fast / Medium / Slow
Open reel selector: 18cm / 26,5 cm |
| INDICATORS |
dB Level Left VU Meter
dB Level Right VU Meter
Tape Counter: 4 digit
Clock Timer
Recorder Clock
REC
PAUSE
PLAY
WIND LEFT
WIND RIGHT
START |
FRONT PANEL
(Din Jackets) |
Micro Left + ST jacket (24): 3- or 5 Pens
180° DIN
Sensitivity on Stereo Recording: 0,1 mV/2 kOhm
on Mono with one micro: 0,2 mV / 2 kOhm
Pen 1= left
Pen 4 = Right
Pen 2 = Ground
Micro Right jacket (25): 3- or 5 Pens
180° DIN
Sensitivity on Stereo Recording: 0,1 mV/2 kOhm
on Mono with one micro: 0,2 mV / 2 kOhm
Pen 1 and 4= Right (connected to Pen 4 of jacket
(24)
Pen 2 = Ground
Tape In/Out jacket (26) and (50): for
5 Pens 180° DIN
Sensitivity - pen 1 and 4: 2 mV/20 kOhm
- pen 3 and 5: 100 mV/1 kOhm
(*)
- pen 3 and 5: 1 V/50 kOhm
Headphone jacket (27): for 5 Pens
360° DIN
Out: Max 3 V/400-600 ohm
Pen 4= left
Pen 2 and 3= Ground
Pen 5= Right
(*) On pens 3 and 5 of TAPE jackets (26
and 50)
only contents
a signal_out during playing with
switch-in (9)
in "TAPE"
On Monitor jacket
(46) always is a signal-out,
in playing as
well in recording and using the amp. |
REAR PANEL
(Din Jackets) |
Tuner jacket (51): for 5 Pens 180°
DIN
Sensitivity In = 100mV/100 kOhm
Pen 2= Ground
Pen 1 and 5= Right
Pen 3= Left
Phono jacket (47): for 5 Pens 180°
DIN
Sensitivity "CRYST"= 100 mV/1 mOhm
Sensitivity "DYN"= 1,5 mV/47 kOhm
Pen 2= Ground
Pen 1 and 5= Right
Pen 3= Left
Aux jacket (48): for 5 Pens 180°
DIN
Sensitivity - Pen 1 and 4 = 2 mV/20 kOhm
Sensitivity - Pen 3 and 5 = 100 mV/1 mOhm
Pen 1= Left
Pen 4=Right
Pen Ground
Pen 5= Right
Pen 3= Left
Monitor jacket (46): for 5 Pens
180° DIN
Out = 1 V/50 kOhm
Pen 2= Ground
Pen 5= Right
Pen 3= Left
Loudsp L + R jacket (46) and (44)
for 5 Pens 180° DIN
Impedance: 4 - 8 Ohm
Round, thin pen = signal (+)
Wide, flat pen = ground (-)
Remote jacket (43): for 10 Pens for remote
Pen 1 = REC
Pen 2 = STOP
Pen 3 = FAST WIND (left)
Pen 4 = FAST WIND (right)
Pen 5 = PAUSE
Pen 6 = Ground
Pen 7 = "Memory" for the knoblights
for tape
direction "<LEFT"or "RIGHT" (16 or 19)
in stop- or pause or during fast winding
Pen 8 = Tape-direction to right (RIGHT
>)
Pen 9 = Power (-25V)
Pen 10 = Tape-direction to left (<LEFT) |
| REELS |
Up to 18 / 26,5 cm / Fast nominal winding time
within 300 sec |
| DIMENSIONS |
Weight: 20 Kg
Height: 500 mm
Depth: 210 mm
Width: 520 mm
Power Consumption: 120 Watts |
| CONDITION |
EXCELLENT. LOOKS LIKE BRANDNEW!
Recorder got a turn-out, lubrication and tuning
for 26,5 CM OPEN REELS |
Service Manual
User Manual |
YES
YES |
| Visit Website |
.. |
FREETIMEWEB
