The BBC monitor sound Loudspeakers from Spendor Rogers, Harbeth…. – Page 2 – UK Vintage Radio Repair and Restoration Discussion Forum

I had a wonderful afternoon in the company of a pair of Harbeth 40.1’s, which sang in my dealer pal’s particular room and these were driven by an old industry stalwart Crown DC300A (mk 1.5 with satin front and overload lights). They did what I remember all good monitors doing, they just went louder and louder with no fatigue until the 300A lamps suggested that was about it… At more reasonable volume on another occasion, I compared this pair to the SHL5, which was then the current model. I thought the 5 was just a *touch* more ‘seamless’ on the bass to mid crossover region (you’d never know unless compared directly on suitable speech and similar material), but obviously the 40.1 bass was better (my own SHL5’s react in this living room the same as the 5/9’s do ).


You lot may laugh, but the Bc2’s with replacement SA2 drivers (from an engineer at Spendor) weren’t sounding right. rather than the thunderous SHL5 bass in this room, they were sounding almost ‘weedy’ and fatiguing after prolonged listening irrespective of sources and amps. As the later driver seemed to be better behaved at the top of its range than the identical looking (surround aside) original, I decided to see about dropping the tweeter (HF1300) level down a bit. Derek Hughes (Spen’s son and accomplished designer in his own right) very kindly gave some pointers on a proper additional L pad as the original tapped inductor used for this purpose can’t easily be changed in value (at least by me) and after a bit of trial and error, I think I have them better now. Interesting how, in this room and with my tired old ears, taking the top down is heard by me as an increase in bass and midrange… (And all these audiophools of which I’m still on the fringes, tell you to ONLY trust your ears!). A bit ‘organic’ sounding now in comparison with moer modern speakers, but acoustic instruments are still well reproduced not too dissimilarly to the better known BC1 model, but with better controlled bass for the more percussive music I play a lot.

I had a wonderful afternoon in the company of a pair of Harbeth 40.1’s, which sang in my dealer pal’s particular room and these were driven by an old industry stalwart Crown DC300A (mk 1.5 with satin front and overload lights). They did what I remember all good monitors doing, they just went louder and louder with no fatigue until the 300A lamps suggested that was about it… At more reasonable volume on another occasion, I compared this pair to the SHL5, which was then the current model. I thought the 5 was just a *touch* more ‘seamless’ on the bass to mid crossover region (you’d never know unless compared directly on suitable speech and similar material), but obviously the 40.1 bass was better (my own SHL5’s react in this living room the same as the 5/9’s do ).

You lot may laugh, but the Bc2’s with replacement SA2 drivers (from an engineer at Spendor) weren’t sounding right. rather than the thunderous SHL5 bass in this room, they were sounding almost ‘weedy’ and fatiguing after prolonged listening irrespective of sources and amps. As the later driver seemed to be better behaved at the top of its range than the identical looking (surround aside) original, I decided to see about dropping the tweeter (HF1300) level down a bit. Derek Hughes (Spen’s son and accomplished designer in his own right) very kindly gave some pointers on a proper additional L pad as the original tapped inductor used for this purpose can’t easily be changed in value (at least by me) and after a bit of trial and error, I think I have them better now. Interesting how, in this room and with my tired old ears, taking the top down is heard by me as an increase in bass and midrange… (And all these audiophools of which I’m still on the fringes, tell you to ONLY trust your ears!). A bit ‘organic’ sounding now in comparison with moer modern speakers, but acoustic instruments are still well reproduced not too dissimilarly to the better known BC1 model, but with better controlled bass for the more percussive music I play a lot.