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Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 221

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Technical Details

Brand: Brenell Engineering

Model:Mk.IV and Model 600




Country of Manufacture:U.K.

Release dates:1957 - 1960

Speeds: 3 3/4, 7 1/2, 15

Max Reel Size("): 7"

Number of heads: 2

Head Composition: Permalloy

Head Configuration: full-track-mono

Voltage(s): 220-240v

Frequency Response:(all 3 dB): 15 ips: 40 - 15kHz

Wow and Flutter:0.15% at 15 ips, 0.2% at 7½ ips, 0.25% at 3¾ ips

Signal-to-Noise Ratio:45dB at 7½ ips

Sound quality rating:5 / 10

Long-term reliability rating: 5/ 10

Additional Details


The Mk.II rapidly gave way to a re-engineered deck, the Mk.IV of 1957.
(There doesn’t appear to have been an Mk.III, though this may in fact
have been the 3-Star model). The Mk.IV featured a gold hammered enamel
deck finish with larger ivory head covers and reverted to a maximum capacity
of 8¼” spools.
The Collaro motors were replaced with British
Thompson-Houston ones, and provision was made for fitting up to four Brenell
heads, allowing for staggered stereo or monitoring. There was also a new
tape tension arm on the take up spool side as well as much improved braking
and control mechanisms.
Unlike the Sound Master and Mk.II, the three
speeds were now only obtained by swapping capstan sleeves rather than
moving the belt drive – the capstan spindle itself drove at 3¾

Additional Info

Valve complement: EF86 pre-amp, ECC81 a.f. amplifier, EL84 a.f. output / h.f. bias oscillator, EM81 record-level indicator, EZ80 mains rectifier & WX6 metal rectifier / Rewind speed: 45 seconds for 1,200 feet tape / Audio output power: 4 watts / Inputs: high impedance microphone 2.5mV at 200 megohm, radio / gram 152mV at 700 Kohm / Outputs: line: 1 V across 60 Kohm, 15 ohm external speaker / Speaker(s): 3 ohm 10″ x 6″ elliptical Elac speaker / Dimensions: 16 x 13½ x 9″ (406 x 343 x 229 mm) / Weight: 32 lbs 14.5 kg) / half-track mono


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